DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q4 2015 (← Previous) (Next →)

Filing Date: Feb 16, 2016

Total Value ($000): $2,467,381 (88.4% shares, 11.6% debt)

Holdings (109)

HORIZON PHARMA PLC 10.3%
Value ($000) $253,210 Shares 11,684,801 Est. Cost $16.19 Unrealized
NXSTAGE MEDICAL INC 4.1%
Value ($000) $100,545 Shares 4,589,000 Est. Cost $14.07 Unrealized
DYAX CORP 3.4%
Value ($000) $84,347 Shares 2,242,073 Est. Cost $18.19 Unrealized
ADEPTUS HEALTH INC 2.9%
Value ($000) $71,307 Shares 1,307,908 Est. Cost $61.40 Unrealized
GLAXOSMITHKLINE PLC 2.7%
Value ($000) $67,602 Shares 1,675,385 Est. Cost $41.83 Unrealized
AETNA INC NEW 2.6%
Value ($000) $63,949 Shares 591,465 Est. Cost $110.55 Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 2.3%
Value ($000) $57,302 Shares 822,000 Est. Cost $70.54 Unrealized +3.9%
MYLAN N V 2.3%
Value ($000) $57,098 Shares 1,056,000 Est. Cost $59.05 Unrealized
VNDA VANDA PHARMACEUTICALS INC 2.3%
Value ($000) $55,829 Shares 5,996,691 Est. Cost $11.62 Unrealized -14.1%
GILD GILEAD SCIENCES INC 2.2%
Value ($000) $53,833 Shares 532,000 Est. Cost Unrealized
TEVA TEVA PHARMACEUTICAL INDS LTD 2.2%
Value ($000) $53,497 Shares 815,000 Est. Cost $60.71 Unrealized
FLAMEL TECHNOLOGIES SA 2.0%
Value ($000) $49,729 Shares 4,072,809 Est. Cost $7.42 Unrealized
HEALTHWAYS INC 2.0%
Value ($000) $49,087 Shares 51,925,000 Est. Cost $0.96 Unrealized
ARRAY BIOPHARMA INC 1.7%
Value ($000) $42,292 Shares 45,000,000 Est. Cost $0.94 Unrealized
GLOBAL BLOOD THERAPEUTICS IN 1.5%
Value ($000) $37,626 Shares 1,163,811 Est. Cost $39.85 Unrealized
HEARTWARE INTL INC 1.5%
Value ($000) $37,364 Shares 39,226,000 Est. Cost $1.04 Unrealized
ARRAY BIOPHARMA INC 1.5%
Value ($000) $36,838 Shares 8,729,361 Est. Cost $4.58 Unrealized
TEVA TEVA PHARMACEUTICAL INDS LTD 1.5%
Value ($000) $36,102 Shares 550,000 Est. Cost $60.71 Unrealized
PORTOLA PHARMACEUTICALS INC 1.4%
Value ($000) $35,179 Shares 683,749 Est. Cost $39.17 Unrealized
SAGE THERAPEUTICS INC 1.4%
Value ($000) $34,913 Shares 598,854 Est. Cost $42.15 Unrealized
ENDOLOGIX INC 1.4%
Value ($000) $34,602 Shares 40,941,000 Est. Cost $0.96 Unrealized
XENOPORT INC 1.4%
Value ($000) $34,518 Shares 6,287,374 Est. Cost $4.38 Unrealized
AAC HLDGS INC 1.4%
Value ($000) $33,967 Shares 1,782,094 Est. Cost $23.34 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 1.4%
Value ($000) $33,797 Shares 4,305,288 Est. Cost $16.22 Unrealized -46.9%
UNIVERSAL AMERN CORP NEW 1.4%
Value ($000) $33,523 Shares 4,789,027 Est. Cost $8.15 Unrealized
WALGREENS BOOTS ALLIANCE INC 1.3%
Value ($000) $32,909 Shares 386,457 Est. Cost $84.63 Unrealized
EHTH EHEALTH INC 1.3%
Value ($000) $32,581 Shares 3,264,588 Est. Cost $28.61 Unrealized -58.3%
ENDOLOGIX INC 1.3%
Value ($000) $32,548 Shares 30,000,000 Est. Cost $1.08 Unrealized
HEALTHWAYS INC 1.3%
Value ($000) $31,725 Shares 2,465,042 Est. Cost $11.98 Unrealized
ACCURAY INC 1.3%
Value ($000) $30,875 Shares 30,511,000 Est. Cost $1.01 Unrealized
CRL CHARLES RIV LABS INTL INC 1.2%
Value ($000) $30,322 Shares 377,188 Est. Cost $73.89 Unrealized -2.4%
NIVALIS THERAPEUTICS INC 1.2%
Value ($000) $28,889 Shares 3,732,412 Est. Cost $15.15 Unrealized
MCK MCKESSON CORP 1.2%
Value ($000) $28,529 Shares 144,646 Est. Cost $182.17 Unrealized -4.2%
GENOMIC HEALTH INC 1.2%
Value ($000) $28,492 Shares 809,432 Est. Cost $27.79 Unrealized
PCRX PACIRA PHARMACEUTICALS INC 1.2%
Value ($000) $28,489 Shares 371,000 Est. Cost $66.53 Unrealized -14.9%
FIVE PRIME THERAPEUTICS INC 1.1%
Value ($000) $28,220 Shares 680,000 Est. Cost $41.50 Unrealized
KEMPHARM INC 1.1%
Value ($000) $28,211 Shares 1,420,497 Est. Cost $18.61 Unrealized
PRONAI THERAPEUTICS INC 1.1%
Value ($000) $26,940 Shares 1,791,255 Est. Cost $19.17 Unrealized
RELYPSA INC 1.0%
Value ($000) $25,514 Shares 900,281 Est. Cost $21.49 Unrealized
SPECTRANETICS CORP 0.9%
Value ($000) $22,537 Shares 29,831,000 Est. Cost $1.01 Unrealized
GW PHARMACEUTICALS PLC 0.9%
Value ($000) $21,535 Shares 310,122 Est. Cost $91.15 Unrealized
CTMX CYTOMX THERAPEUTICS INC 0.8%
Value ($000) $19,743 Shares 946,022 Est. Cost $15.82 Unrealized 0.0%
AERIE PHARMACEUTICALS INC 0.8%
Value ($000) $19,672 Shares 807,875 Est. Cost $18.78 Unrealized
PROTEON THERAPEUTICS INC 0.8%
Value ($000) $19,625 Shares 1,265,343 Est. Cost $10.40 Unrealized
RITE AID CORP 0.8%
Value ($000) $19,543 Shares 2,492,772 Est. Cost $7.09 Unrealized
RGNX REGENXBIO INC 0.8%
Value ($000) $19,406 Shares 1,169,042 Est. Cost $25.52 Unrealized -22.2%
XNCR XENCOR INC 0.7%
Value ($000) $18,372 Shares 1,256,612 Est. Cost $16.58 Unrealized -18.9%
PACB PACIFIC BIOSCIENCES CALIF IN 0.7%
Value ($000) $18,224 Shares 1,388,000 Est. Cost $4.07 Unrealized +120.5%
ACHILLION PHARMACEUTICALS IN 0.7%
Value ($000) $17,987 Shares 1,667,000 Est. Cost $6.91 Unrealized
FLUIDIGM CORP DEL 0.7%
Value ($000) $17,603 Shares 27,715,000 Est. Cost $0.89 Unrealized
AXGN AXOGEN INC 0.7%
Value ($000) $16,907 Shares 3,381,439 Est. Cost $3.20 Unrealized +54.7%
DBV TECHNOLOGIES S A 0.7%
Value ($000) $16,770 Shares 461,869 Est. Cost $32.65 Unrealized
AKARI THERAPEUTICS PLC 0.7%
Value ($000) $16,685 Shares 1,150,700 Est. Cost $23.99 Unrealized
CNC CENTENE CORP DEL 0.7%
Value ($000) $16,058 Shares 244,000 Est. Cost $29.62 Unrealized 0.0%
MGNX MACROGENICS INC 0.7%
Value ($000) $16,040 Shares 517,920 Est. Cost $31.37 Unrealized -3.2%
CARDIOVASCULAR SYS INC DEL 0.6%
Value ($000) $15,649 Shares 1,035,000 Est. Cost $15.12 Unrealized
ENDOCHOICE HLDGS INC 0.6%
Value ($000) $15,225 Shares 1,823,309 Est. Cost $16.24 Unrealized
ALIMERA SCIENCES INC 0.6%
Value ($000) $14,225 Shares 5,878,015 Est. Cost $5.25 Unrealized
IMPRIVATA INC 0.6%
Value ($000) $13,633 Shares 1,206,418 Est. Cost $15.60 Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 0.5%
Value ($000) $13,412 Shares 12,400,000 Est. Cost $0.98 Unrealized
NANOSTRING TECHNOLOGIES INC 0.5%
Value ($000) $12,954 Shares 880,622 Est. Cost $11.15 Unrealized
GLPG GALAPAGOS NV 0.5%
Value ($000) $11,507 Shares 183,000 Est. Cost $51.50 Unrealized
ACCELERON PHARMA INC 0.4%
Value ($000) $10,410 Shares 213,491 Est. Cost $48.76 Unrealized
TRUP TRUPANION INC 0.4%
Value ($000) $10,367 Shares 1,062,214 Est. Cost $8.03 Unrealized -1.6%
TONIX PHARMACEUTICALS HLDG C 0.4%
Value ($000) $10,090 Shares 1,315,551 Est. Cost $6.32 Unrealized
INVUITY INC 0.4%
Value ($000) $9,510 Shares 1,078,218 Est. Cost $9.81 Unrealized
ESSA PHARMA INC 0.3%
Value ($000) $8,499 Shares 1,859,282 Est. Cost $6.23 Unrealized
HEARTWARE INTL INC 0.3%
Value ($000) $8,062 Shares 159,961 Est. Cost $52.00 Unrealized
FOAMIX PHARMACEUTICALS LTD 0.3%
Value ($000) $7,696 Shares 948,934 Est. Cost $7.26 Unrealized
RIGEL PHARMACEUTICALS INC 0.3%
Value ($000) $7,266 Shares 2,397,855 Est. Cost $3.57 Unrealized
LOXO ONCOLOGY INC 0.3%
Value ($000) $7,141 Shares 251,000 Est. Cost $13.13 Unrealized
ALCOBRA LTD 0.3%
Value ($000) $6,719 Shares 1,069,914 Est. Cost $5.67 Unrealized
NEOS THERAPEUTICS INC 0.3%
Value ($000) $6,563 Shares 458,332 Est. Cost $21.01 Unrealized
VERSARTIS INC 0.2%
Value ($000) $6,077 Shares 490,503 Est. Cost $11.90 Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.2%
Value ($000) $5,976 Shares 519,670 Est. Cost $14.06 Unrealized
PSIVIDA CORP 0.2%
Value ($000) $5,891 Shares 1,222,110 Est. Cost $3.90 Unrealized
CAS MED SYS INC 0.2%
Value ($000) $5,664 Shares 3,200,000 Est. Cost $1.34 Unrealized
MYOKARDIA INC 0.2%
Value ($000) $5,498 Shares 375,000 Est. Cost $14.66 Unrealized
ZAFGEN INC 0.2%
Value ($000) $5,307 Shares 843,665 Est. Cost $28.15 Unrealized
EGALET CORP 0.2%
Value ($000) $5,258 Shares 477,123 Est. Cost $13.18 Unrealized
JAZZ INVESTMENTS I LTD 0.2%
Value ($000) $5,223 Shares 5,000,000 Est. Cost $1.02 Unrealized
VYGR VOYAGER THERAPEUTICS INC 0.2%
Value ($000) $5,153 Shares 235,294 Est. Cost $21.90 Unrealized
CATABASIS PHARMACEUTICALS IN 0.2%
Value ($000) $5,104 Shares 643,580 Est. Cost $12.11 Unrealized
ANTARES PHARMA INC 0.2%
Value ($000) $4,820 Shares 3,983,440 Est. Cost $3.12 Unrealized
ALDX ALDEYRA THERAPEUTICS INC 0.2%
Value ($000) $4,682 Shares 690,538 Est. Cost $8.62 Unrealized -22.1%
TRACON PHARMACEUTICALS INC 0.2%
Value ($000) $4,481 Shares 485,000 Est. Cost $14.04 Unrealized
GENOCEA BIOSCIENCES INC 0.2%
Value ($000) $4,412 Shares 837,257 Est. Cost $11.07 Unrealized
STEADYMED LTD 0.2%
Value ($000) $4,390 Shares 1,346,744 Est. Cost $8.20 Unrealized
SCYNEXIS INC 0.2%
Value ($000) $4,324 Shares 696,281 Est. Cost $8.24 Unrealized
ALLIQUA BIOMEDICAL INC 0.2%
Value ($000) $4,023 Shares 1,880,134 Est. Cost $4.93 Unrealized
GENNQ GENESIS HEALTHCARE INC 0.1%
Value ($000) $3,344 Shares 963,564 Est. Cost $7.53 Unrealized -36.4%
IMMUNOMEDICS INC 0.1%
Value ($000) $3,296 Shares 1,073,640 Est. Cost $3.07 Unrealized
TRINITY BIOTECH PLC 0.1%
Value ($000) $2,893 Shares 246,000 Est. Cost $18.06 Unrealized
VCYT VERACYTE INC 0.1%
Value ($000) $2,823 Shares 392,147 Est. Cost $9.77 Unrealized -31.1%
CTI BIOPHARMA CORP 0.1%
Value ($000) $2,751 Shares 2,236,832 Est. Cost $1.23 Unrealized
ACUR ACURA PHARMACEUTICALS INC 0.1%
Value ($000) $2,564 Shares 1,025,641 Est. Cost $3.40 Unrealized -28.5%
TRILLIUM THERAPEUTICS INC 0.1%
Value ($000) $2,173 Shares 172,307 Est. Cost $20.23 Unrealized
CIDARA THERAPEUTICS INC 0.1%
Value ($000) $2,050 Shares 119,456 Est. Cost $14.02 Unrealized
ELV ANTHEM INC 0.1%
Value ($000) $2,043 Shares 14,649 Est. Cost $126.56 Unrealized -5.5%
ALPHATEC HOLDINGS INC 0.1%
Value ($000) $1,495 Shares 4,982,738 Est. Cost $1.92 Unrealized
CDNA CAREDX INC 0.1%
Value ($000) $1,466 Shares 229,000 Est. Cost $8.79 Unrealized -38.1%
BOVIE MEDICAL CORP 0.1%
Value ($000) $1,445 Shares 688,229 Est. Cost $2.39 Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value ($000) $1,328 Shares 2,000,000 Est. Cost $0.62 Unrealized
STREAMLINE HEALTH SOLUTIONS 0.0%
Value ($000) $935 Shares 662,971 Est. Cost $4.69 Unrealized
CORSICANTO LTD 0.0%
Value ($000) $901 Shares 1,000,000 Est. Cost $1.04 Unrealized
RENNOVA HEALTH INC 0.0%
Value ($000) $755 Shares 559,431 Est. Cost $1.35 Unrealized
COR AMERISOURCEBERGEN CORP 0.0%
Value ($000) $311 Shares 3,000 Est. Cost $72.76 Unrealized 0.0%
POZEN INC 0.0%
Value ($000) $305 Shares 44,583 Est. Cost $10.32 Unrealized
RENNOVA HEALTH INC 0.0%
Value ($000) $285 Shares 645,161 Est. Cost $0.44 Unrealized